diff options
Diffstat (limited to 'drivers/acpi/tables/tbget.c')
| -rw-r--r-- | drivers/acpi/tables/tbget.c | 275 |
1 files changed, 119 insertions, 156 deletions
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c index 4ab2aadc613..6acd5aeb093 100644 --- a/drivers/acpi/tables/tbget.c +++ b/drivers/acpi/tables/tbget.c @@ -41,27 +41,21 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/actables.h> - #define _COMPONENT ACPI_TABLES - ACPI_MODULE_NAME ("tbget") +ACPI_MODULE_NAME("tbget") /* Local prototypes */ - static acpi_status -acpi_tb_get_this_table ( - struct acpi_pointer *address, - struct acpi_table_header *header, - struct acpi_table_desc *table_info); +acpi_tb_get_this_table(struct acpi_pointer *address, + struct acpi_table_header *header, + struct acpi_table_desc *table_info); static acpi_status -acpi_tb_table_override ( - struct acpi_table_header *header, - struct acpi_table_desc *table_info); - +acpi_tb_table_override(struct acpi_table_header *header, + struct acpi_table_desc *table_info); /******************************************************************************* * @@ -78,37 +72,34 @@ acpi_tb_table_override ( ******************************************************************************/ acpi_status -acpi_tb_get_table ( - struct acpi_pointer *address, - struct acpi_table_desc *table_info) +acpi_tb_get_table(struct acpi_pointer *address, + struct acpi_table_desc *table_info) { - acpi_status status; - struct acpi_table_header header; - - - ACPI_FUNCTION_TRACE ("tb_get_table"); + acpi_status status; + struct acpi_table_header header; + ACPI_FUNCTION_TRACE("tb_get_table"); /* Get the header in order to get signature and table size */ - status = acpi_tb_get_table_header (address, &header); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_get_table_header(address, &header); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Get the entire table */ - status = acpi_tb_get_table_body (address, &header, table_info); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not get ACPI table (size %X), %s\n", - header.length, acpi_format_exception (status))); - return_ACPI_STATUS (status); + status = acpi_tb_get_table_body(address, &header, table_info); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Could not get ACPI table (size %X), %s\n", + header.length, + acpi_format_exception(status))); + return_ACPI_STATUS(status); } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_tb_get_table_header @@ -127,16 +118,13 @@ acpi_tb_get_table ( ******************************************************************************/ acpi_status -acpi_tb_get_table_header ( - struct acpi_pointer *address, - struct acpi_table_header *return_header) +acpi_tb_get_table_header(struct acpi_pointer *address, + struct acpi_table_header *return_header) { - acpi_status status = AE_OK; - struct acpi_table_header *header = NULL; - - - ACPI_FUNCTION_TRACE ("tb_get_table_header"); + acpi_status status = AE_OK; + struct acpi_table_header *header = NULL; + ACPI_FUNCTION_TRACE("tb_get_table_header"); /* * Flags contains the current processor mode (Virtual or Physical @@ -148,46 +136,42 @@ acpi_tb_get_table_header ( /* Pointer matches processor mode, copy the header */ - ACPI_MEMCPY (return_header, address->pointer.logical, - sizeof (struct acpi_table_header)); + ACPI_MEMCPY(return_header, address->pointer.logical, + sizeof(struct acpi_table_header)); break; - case ACPI_LOGMODE_PHYSPTR: - /* Create a logical address for the physical pointer*/ + /* Create a logical address for the physical pointer */ - status = acpi_os_map_memory (address->pointer.physical, - sizeof (struct acpi_table_header), (void *) &header); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (( - "Could not map memory at %8.8X%8.8X for length %X\n", - ACPI_FORMAT_UINT64 (address->pointer.physical), - sizeof (struct acpi_table_header))); - return_ACPI_STATUS (status); + status = acpi_os_map_memory(address->pointer.physical, + sizeof(struct acpi_table_header), + (void *)&header); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Could not map memory at %8.8X%8.8X for length %X\n", ACPI_FORMAT_UINT64(address->pointer.physical), sizeof(struct acpi_table_header))); + return_ACPI_STATUS(status); } /* Copy header and delete mapping */ - ACPI_MEMCPY (return_header, header, sizeof (struct acpi_table_header)); - acpi_os_unmap_memory (header, sizeof (struct acpi_table_header)); + ACPI_MEMCPY(return_header, header, + sizeof(struct acpi_table_header)); + acpi_os_unmap_memory(header, sizeof(struct acpi_table_header)); break; - default: - ACPI_REPORT_ERROR (("Invalid address flags %X\n", - address->pointer_type)); - return_ACPI_STATUS (AE_BAD_PARAMETER); + ACPI_REPORT_ERROR(("Invalid address flags %X\n", + address->pointer_type)); + return_ACPI_STATUS(AE_BAD_PARAMETER); } - ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n", - return_header->signature)); + ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n", + return_header->signature)); - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_tb_get_table_body @@ -209,37 +193,33 @@ acpi_tb_get_table_header ( ******************************************************************************/ acpi_status -acpi_tb_get_table_body ( - struct acpi_pointer *address, - struct acpi_table_header *header, - struct acpi_table_desc *table_info) +acpi_tb_get_table_body(struct acpi_pointer *address, + struct acpi_table_header *header, + struct acpi_table_desc *table_info) { - acpi_status status; - - - ACPI_FUNCTION_TRACE ("tb_get_table_body"); + acpi_status status; + ACPI_FUNCTION_TRACE("tb_get_table_body"); if (!table_info || !address) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Attempt table override. */ - status = acpi_tb_table_override (header, table_info); - if (ACPI_SUCCESS (status)) { + status = acpi_tb_table_override(header, table_info); + if (ACPI_SUCCESS(status)) { /* Table was overridden by the host OS */ - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } /* No override, get the original table */ - status = acpi_tb_get_this_table (address, header, table_info); - return_ACPI_STATUS (status); + status = acpi_tb_get_this_table(address, header, table_info); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_tb_table_override @@ -255,61 +235,57 @@ acpi_tb_get_table_body ( ******************************************************************************/ static acpi_status -acpi_tb_table_override ( - struct acpi_table_header *header, - struct acpi_table_desc *table_info) +acpi_tb_table_override(struct acpi_table_header *header, + struct acpi_table_desc *table_info) { - struct acpi_table_header *new_table; - acpi_status status; - struct acpi_pointer address; - - - ACPI_FUNCTION_TRACE ("tb_table_override"); + struct acpi_table_header *new_table; + acpi_status status; + struct acpi_pointer address; + ACPI_FUNCTION_TRACE("tb_table_override"); /* * The OSL will examine the header and decide whether to override this * table. If it decides to override, a table will be returned in new_table, * which we will then copy. */ - status = acpi_os_table_override (header, &new_table); - if (ACPI_FAILURE (status)) { + status = acpi_os_table_override(header, &new_table); + if (ACPI_FAILURE(status)) { /* Some severe error from the OSL, but we basically ignore it */ - ACPI_REPORT_ERROR (("Could not override ACPI table, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + ACPI_REPORT_ERROR(("Could not override ACPI table, %s\n", + acpi_format_exception(status))); + return_ACPI_STATUS(status); } if (!new_table) { /* No table override */ - return_ACPI_STATUS (AE_NO_ACPI_TABLES); + return_ACPI_STATUS(AE_NO_ACPI_TABLES); } /* * We have a new table to override the old one. Get a copy of * the new one. We know that the new table has a logical pointer. */ - address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING; + address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING; address.pointer.logical = new_table; - status = acpi_tb_get_this_table (&address, new_table, table_info); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not copy override ACPI table, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + status = acpi_tb_get_this_table(&address, new_table, table_info); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Could not copy override ACPI table, %s\n", + acpi_format_exception(status))); + return_ACPI_STATUS(status); } /* Copy the table info */ - ACPI_REPORT_INFO (("Table [%4.4s] replaced by host OS\n", - table_info->pointer->signature)); + ACPI_REPORT_INFO(("Table [%4.4s] replaced by host OS\n", + table_info->pointer->signature)); - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_tb_get_this_table @@ -329,18 +305,15 @@ acpi_tb_table_override ( ******************************************************************************/ static acpi_status -acpi_tb_get_this_table ( - struct acpi_pointer *address, - struct acpi_table_header *header, - struct acpi_table_desc *table_info) +acpi_tb_get_this_table(struct acpi_pointer *address, + struct acpi_table_header *header, + struct acpi_table_desc *table_info) { - struct acpi_table_header *full_table = NULL; - u8 allocation; - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("tb_get_this_table"); + struct acpi_table_header *full_table = NULL; + u8 allocation; + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE("tb_get_this_table"); /* * Flags contains the current processor mode (Virtual or Physical @@ -352,38 +325,33 @@ acpi_tb_get_this_table ( /* Pointer matches processor mode, copy the table to a new buffer */ - full_table = ACPI_MEM_ALLOCATE (header->length); + full_table = ACPI_MEM_ALLOCATE(header->length); if (!full_table) { - ACPI_REPORT_ERROR (( - "Could not allocate table memory for [%4.4s] length %X\n", - header->signature, header->length)); - return_ACPI_STATUS (AE_NO_MEMORY); + ACPI_REPORT_ERROR(("Could not allocate table memory for [%4.4s] length %X\n", header->signature, header->length)); + return_ACPI_STATUS(AE_NO_MEMORY); } /* Copy the entire table (including header) to the local buffer */ - ACPI_MEMCPY (full_table, address->pointer.logical, header->length); + ACPI_MEMCPY(full_table, address->pointer.logical, + header->length); /* Save allocation type */ allocation = ACPI_MEM_ALLOCATED; break; - case ACPI_LOGMODE_PHYSPTR: /* * Just map the table's physical memory * into our address space. */ - status = acpi_os_map_memory (address->pointer.physical, - (acpi_size) header->length, (void *) &full_table); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (( - "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n", - header->signature, - ACPI_FORMAT_UINT64 (address->pointer.physical), - header->length)); + status = acpi_os_map_memory(address->pointer.physical, + (acpi_size) header->length, + (void *)&full_table); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n", header->signature, ACPI_FORMAT_UINT64(address->pointer.physical), header->length)); return (status); } @@ -392,12 +360,11 @@ acpi_tb_get_this_table ( allocation = ACPI_MEM_MAPPED; break; - default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid address flags %X\n", - address->pointer_type)); - return_ACPI_STATUS (AE_BAD_PARAMETER); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid address flags %X\n", + address->pointer_type)); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* @@ -405,10 +372,10 @@ acpi_tb_get_this_table ( * even the ones whose signature we don't recognize */ if (table_info->type != ACPI_TABLE_FACS) { - status = acpi_tb_verify_table_checksum (full_table); + status = acpi_tb_verify_table_checksum(full_table); #if (!ACPI_CHECKSUM_ABORT) - if (ACPI_FAILURE (status)) { + if (ACPI_FAILURE(status)) { /* Ignore the error if configuration says so */ status = AE_OK; @@ -418,19 +385,19 @@ acpi_tb_get_this_table ( /* Return values */ - table_info->pointer = full_table; - table_info->length = (acpi_size) header->length; - table_info->allocation = allocation; + table_info->pointer = full_table; + table_info->length = (acpi_size) header->length; + table_info->allocation = allocation; - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, - "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n", - full_table->signature, - ACPI_FORMAT_UINT64 (address->pointer.physical), full_table)); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n", + full_table->signature, + ACPI_FORMAT_UINT64(address->pointer.physical), + full_table)); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_tb_get_table_ptr @@ -447,24 +414,20 @@ acpi_tb_get_this_table ( ******************************************************************************/ acpi_status -acpi_tb_get_table_ptr ( - acpi_table_type table_type, - u32 instance, - struct acpi_table_header **table_ptr_loc) +acpi_tb_get_table_ptr(acpi_table_type table_type, + u32 instance, struct acpi_table_header **table_ptr_loc) { - struct acpi_table_desc *table_desc; - u32 i; - - - ACPI_FUNCTION_TRACE ("tb_get_table_ptr"); + struct acpi_table_desc *table_desc; + u32 i; + ACPI_FUNCTION_TRACE("tb_get_table_ptr"); if (!acpi_gbl_DSDT) { - return_ACPI_STATUS (AE_NO_ACPI_TABLES); + return_ACPI_STATUS(AE_NO_ACPI_TABLES); } if (table_type > ACPI_TABLE_MAX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* @@ -476,15 +439,16 @@ acpi_tb_get_table_ptr ( *table_ptr_loc = NULL; if (acpi_gbl_table_lists[table_type].next) { - *table_ptr_loc = acpi_gbl_table_lists[table_type].next->pointer; + *table_ptr_loc = + acpi_gbl_table_lists[table_type].next->pointer; } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } /* Check for instance out of range */ if (instance > acpi_gbl_table_lists[table_type].count) { - return_ACPI_STATUS (AE_NOT_EXIST); + return_ACPI_STATUS(AE_NOT_EXIST); } /* Walk the list to get the desired table @@ -503,6 +467,5 @@ acpi_tb_get_table_ptr ( *table_ptr_loc = table_desc->pointer; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - |